<template>
  <div class="main">
    <a-form
      id="formLogin"
      class="user-layout-login"
      ref="formLogin"
      :form="form"
      @submit="handleSubmit"
    >
      <!--      <a-tabs-->
      <!--        :activeKey="customActiveKey"-->
      <!--        :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"-->
      <!--        @change="handleTabClick"-->
      <!--      >-->
      <!--        <a-tab-pane key="tab1" tab="用户名密码登录">-->
      <!--          -->
      <!--        </a-tab-pane>-->
      <!--        &lt;!&ndash;				<a-tab-pane disabled key="tab2" tab="其他方式登录">&ndash;&gt;-->
      <!--        &lt;!&ndash;					<a-form-item>&ndash;&gt;-->
      <!--        &lt;!&ndash;						<a-input size="large" type="text" :placeholder="$t('user.login.mobile.placeholder')" v-decorator="['mobile', {rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: $t('user.login.mobile.placeholder') }], validateTrigger: 'change'}]">&ndash;&gt;-->
      <!--        &lt;!&ndash;							<a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }"/>&ndash;&gt;-->
      <!--        &lt;!&ndash;						</a-input>&ndash;&gt;-->
      <!--        &lt;!&ndash;					</a-form-item>&ndash;&gt;-->

      <!--        &lt;!&ndash;					<a-row :gutter="16">&ndash;&gt;-->
      <!--        &lt;!&ndash;						<a-col class="gutter-row" :span="16">&ndash;&gt;-->
      <!--        &lt;!&ndash;							<a-form-item>&ndash;&gt;-->
      <!--        &lt;!&ndash;								<a-input size="large" type="text" :placeholder="$t('user.login.mobile.verification-code.placeholder')" v-decorator="['captcha', {rules: [{ required: true, message: $t('user.verification-code.required') }], validateTrigger: 'blur'}]">&ndash;&gt;-->
      <!--        &lt;!&ndash;									<a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }"/>&ndash;&gt;-->
      <!--        &lt;!&ndash;								</a-input>&ndash;&gt;-->
      <!--        &lt;!&ndash;							</a-form-item>&ndash;&gt;-->
      <!--        &lt;!&ndash;						</a-col>&ndash;&gt;-->
      <!--        &lt;!&ndash;						<a-col class="gutter-row" :span="8">&ndash;&gt;-->
      <!--        &lt;!&ndash;							<a-button&ndash;&gt;-->
      <!--        &lt;!&ndash;								class="getCaptcha"&ndash;&gt;-->
      <!--        &lt;!&ndash;								tabindex="-1"&ndash;&gt;-->
      <!--        &lt;!&ndash;								:disabled="state.smsSendBtn"&ndash;&gt;-->
      <!--        &lt;!&ndash;								@click.stop.prevent="getCaptcha"&ndash;&gt;-->
      <!--        &lt;!&ndash;								v-text="!state.smsSendBtn && $t('user.register.get-verification-code') || (state.time+' s')"&ndash;&gt;-->
      <!--        &lt;!&ndash;							></a-button>&ndash;&gt;-->
      <!--        &lt;!&ndash;						</a-col>&ndash;&gt;-->
      <!--        &lt;!&ndash;					</a-row>&ndash;&gt;-->
      <!--        &lt;!&ndash;				</a-tab-pane>&ndash;&gt;-->
      <!--      </a-tabs>-->
      <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;" :message="$t('user.login.message-invalid-credentials')"/>
      <a-form-item>
        <a-input
          size="large"
          type="text"
          placeholder="请输入用户名"
          :max-length="30"
          v-decorator="[
            'username',
            {rules: [{ required: true, message: '请输入用户名'}]}
          ]"
        >
          <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }"/>
        </a-input>
      </a-form-item>
      <a-form-item>
        <a-input-password
          size="large"
          placeholder="请输入密码"
          type="password"
          :max-length="30"
          v-decorator="[
            'password',
            {rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur'}
          ]"
        >
          <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }"/>
        </a-input-password>
      </a-form-item>
      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn"
        >登录
        </a-button>
      </a-form-item>
    </a-form>

    <two-step-captcha
      v-if="requiredTwoStepCaptcha"
      :visible="stepCaptchaVisible"
      @success="stepCaptchaSuccess"
      @cancel="stepCaptchaCancel"
    ></two-step-captcha>
  </div>
</template>

<script>
import md5 from 'md5'
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getTXCaptchaConfig } from '@/api/login'

export default {
  components: {
    TwoStepCaptcha
  },
  data() {
    return {
      captcha: null,
      customActiveKey: 'tab1',
      loginBtn: false,
      needCaptcha: true,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created() {
    // this.initCaptcha()
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    // handler
    handleUsernameOrEmail(rule, value, callback) {
      const {state} = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick(key) {
      this.customActiveKey = key
    },
    handleSubmit(e) {
      e.preventDefault()
      const {
        form: {validateFields},
        state,
        customActiveKey
      } = this

      const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, {force: true}, async (err, values) => {
        if (!err) {
          this.login(values)
          
        } else {
          
          
          setTimeout(() => {
            state.loginBtn = false
          }, 300)
        }
      })
    },
    login(data) {
      const {Login, state} = this
      let _this = this
      state.loginBtn = true
      Login(data)
      .then((res) => this.loginSuccess(res))
      .finally((res) => {
         // _this.$message.error('账号或密码错误！')
        state.loginBtn = false
      })
    },
    getCaptcha(e) {
      e.preventDefault()
      const {form: {validateFields}, state} = this

      validateFields(['mobile'], {force: true}, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({mobile: values.mobile}).then(res => {
            setTimeout(hide, 2500)
            this.$notification['success']({
              message: '提示',
              description: '验证码获取成功，您的验证码为：' + res.result.captcha,
              duration: 8
            })
          }).catch(err => {
            setTimeout(hide, 1)
            clearInterval(interval)
            state.time = 60
            state.smsSendBtn = false
            this.requestFailed(err)
          })
        }
      })
    },
    initCaptcha() {
      return getTXCaptchaConfig().then(data => {
        this.needCaptcha = data.isEnabled
        if (!this.needCaptcha) return
        this.captcha = new TencentCaptcha(`${data.captchaAppId}`, this.validateSuccess)
      })
    },
    validateSuccess(data) {
      if (data.ret === 2) return
      const {account, password} = this.form.getFieldsValue()
      this.login({
        ticket: data.ticket,
        randomStr: data.randstr,
        account,
        password
      })
    },
    stepCaptchaSuccess() {
      this.loginSuccess()
    },
    stepCaptchaCancel() {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess() {
      this.$router.push({path: '/'})
      // 延迟 1 秒显示欢迎信息
      this.isLoginError = false
    },
    requestFailed(err) {
      // this.isLoginError = true
      // this.$notification['error']({
      //   message: '错误',
      //   description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
      //   duration: 4
      // })
    }
  }
}
</script>

<style lang="less" scoped>
  .user-layout-login {
    padding-top: 60px;
    label {
      font-size: 14px;
    }

    .getCaptcha {
      display: block;
      width: 100%;
      height: 40px;
    }

    .forge-password {
      font-size: 14px;
    }

    button.login-button {
      padding: 0 15px;
      font-size: 16px;
      height: 40px;
      width: 100%;
    }

    .user-login-other {
      text-align: left;
      margin-top: 24px;
      line-height: 22px;

      .item-icon {
        font-size: 24px;
        color: rgba(0, 0, 0, 0.2);
        margin-left: 16px;
        vertical-align: middle;
        cursor: pointer;
        transition: color 0.3s;

        &:hover {
          color: #1890ff;
        }
      }

      .register {
        float: right;
      }
    }
  }
</style>
